package part3;

public class part3_2 {
    public static void main(String[] args) {
        System.out.println(text("asdafghjka","aaasdfg"));

    }


    public static String text(String s1,String s2) {
        String max="";String min="";
        max=(s1.length()>s2.length())?s1:s2;
        min=(max==s1)?s2:s1;


        for(int x=0;x<min.length();x++){
            for(int y=0,z=min.length()-x;z!=min.length()+1;y++,z++){
                String temp=min.substring(y, z);

                if(max.contains(temp))   return temp;
            }
        }
        return null;

    }


}
